:root { color-scheme: light; font-family: ui-sans-serif, system-ui, sans-serif; color: #14333d; background: #f3f9f8; }
* { box-sizing: border-box; }
body { margin: 0 auto; max-width: 76rem; padding: 1.5rem; line-height: 1.7; }
header, .contents, main, footer { max-width: 56rem; margin: 0 auto 2rem; }
h1, h2, h3 { line-height: 1.25; color: #08242d; }
h1 { font-size: 2.3rem; }
h2 { font-size: 1.8rem; }
h3 { font-size: 1.2rem; margin-top: 1.6rem; }
a { color: #00635e; text-underline-offset: .2em; }
a:hover { text-decoration-thickness: .15em; }
:focus-visible { outline: 3px solid #007b76; outline-offset: 5px; }
header nav { display: flex; flex-wrap: wrap; gap: .7rem 1.5rem; }
.contents { padding: 1rem 1.5rem; background: #deefec; border-radius: .5rem; }
.contents ol { columns: 2; padding-left: 1.5rem; }
.contents li { break-inside: avoid; padding-bottom: .4rem; }
section { padding: 1.5rem 0 2rem; border-top: 2px solid #a5ceca; scroll-margin-top: 1rem; overflow-wrap: anywhere; }
.page { font-weight: 650; color: #42656d; }
li { margin-bottom: .5rem; }
li p { margin: .25rem 0 .8rem; }
aside { padding: 1rem; border-left: 4px solid #689d97; background: #e5f0ee; margin: 1.5rem 0; }
aside h3 { margin-top: 0; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
caption { text-align: left; font-weight: bold; }
th, td { text-align: left; padding: .5rem .3rem; border-bottom: 1px solid #8db1ac; overflow-wrap: anywhere; }
.skip { position: absolute; left: 1rem; top: -10rem; padding: .7rem; background: white; }
.skip:focus { top: .5rem; }
@media (max-width: 550px) { body { padding: 1rem; } .contents ol { columns: 1; } aside { padding: .7rem; } }
@media print { body { color: black; background: white; } section { break-before: page; } .skip { display: none; } }